Biorad Rotofor system is designed for carrying out preparative version of peptide/protein electrophoresis on the basis of isoelectrofocusing, i.e. fractionation of peptide/protein mixtures on their isoelectric points. Focusing occurs in free solution without any denaturation/modification/linkage of components, thus preserving functional activity of target proteins. Focusing chamber is separated into 20 sections, each working as a source for fraction collection by vacuum pump after finishing of the focusing process. It allows obtaining target protein in minimal solution volume with up to 1000-fold enrichment. Big amounts of total protein (from milligrams to grams) could be fractionated by Biorad Rotofor. For more information visit www.bio-rad.com.

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